Abstract: A service platform (1), typically for servicing (including cleaning) wind turbine blades (200), comprising a cradle (2) having at least one mounting point (6) by means of which the cradle (2) can be lifted, and a plurality of elongate brushes (3) mounted from the cradle (2) so as to extend vertically from the cradle (2) when the service platform (1) is lifted using the or each mounting point (6). Typically, the service platform (1) will be lifted on an extendable boom (100).